All your definitions about exploiting are vague and dubious. But that's not even the point here !
The guy isn't bragging or claiming to exploit. He basically noticed it happens to be like that - he probably even noticed it at the same time as the guy reporting.
- Heeey, you're not bending down to pick and choose the ripe fruits, you're catching them as they fall off !
- Well... yeah, it's gravity, what can I do ?